Perhaps you should try some spelling variations:
"its communication israel" » "its communication issues", "its communication iran", "its communication iraq", "nets communication israel", "c's communication israel", "mass communication israel"
"mars colonization israel" » "mars colonization still", "mars colonization history", "mars decolonization islam", "mrsa colonization israel", "its colonization israel", "jews colonization israel"
"early cooperation still" » "early operation still", "early cooperative still", "energy cooperation still", "early cooperation scale", "early cooperation state", "early cooperation studies"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("mars colonization israel") or ("its communication israel"))) or ("early cooperation still"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("mars colonization israel") OR ("its communication israel"))) OR ("early cooperation still")).
• Removing quotes may allow a broader search: (((( mars colonization israel ) or ( its communication israel ))) or ( early cooperation still )).
• Adding a wildcard symbol may retrieve word variants: (((("mars colonization israel") or ("its communication israel"))) or ("early cooperation still"))*.